PureFlow AirDog DF-200 - GM Duramax 2011-2014 - Manual (Page 16)

16
PureFlow AirDog
AirDog
®
II Demand Flow 2011-2012 DuraMax Diesel
Section 6 Electrical Harness
Connecting the AirDog
®
II Relay Control
6-2. Remove the plastic housing (skirt) around the fuse box. On some models it may be
necessary to remove the fender/cowl brace to allow access to the fuse box.
6-3. After accessing the fuse panel, use a test light or voltmeter to find a fuse terminal that is
HOT only when the ignition is in the on position. Connect the ‘Red’ Relay Trigger wire
with the mini fuse tap to that terminal, fuse spot #47 is suggested. Be sure to install the
fuse that is removed back into the fuse tap we supply, once installed into the fuse box the
fuse tap should have both fuse spots filled. TBC Batt, Ign 1 or 2, Acc and HVAC are
also commonly used to supply power.
Relay
Trigger Lead
Connection
Figure 28 Figure 29
NOTE: The power supply leads can be connected to the battery or the alternator. Connecting the
power supply leads to the alternator instead of the battery will create a corrosion free connection.
Black (-) Red (+) Replace the Protective Cover
Figure 30 Figure 31
6-4A. Route the Red & Black power supply leads to the alternator.
Connect the Black (-) lead to the alternator Chassis Ground connection. Connect the
Red (+) lead to the alternator Hot Lead going to the battery.